変へん化か球きゅう

noun

breaking ball; curveball; screwball

Baseball term for a pitch that changes direction; often contrasted with 直球 (fastball).

See also: 直球

• 彼かれは鋭するどい変へん化か球きゅうで打だ者しゃを三さん振しんに取とった。

  He struck out the batter with a sharp breaking ball.

• 変へん化か球きゅうをうまく打うつのは難むずかしい。

  It's difficult to hit a breaking ball well.